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Individual Calculations December 2021 |
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| Tourkolias, Dimitrios Total change: -2.80 | |   |
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| 178th open SO Ampelokipon | Athens Ampelokipoi | GRE | 2021-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1576 | 1471 | 1.00 | 4 | -0.47 | 20 | -9.40 | |
|  Giannoulis, Grigorios | | | 1789 | GRE | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Lepetsos, Georgios | | | 1199 | GRE | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Apostolopoulos, Dimitrios P. | | | 1634 | GRE | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Mengoulis, Konstantinos | | | 1680 | GRE | 0.00 | 1 | -0.23 | 20 | -4.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Sunday's open plus30 Chess Square 2021 new dates | Athens | GRE | 2021-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1721 | 1471 | 1.50 | 5 | 0.33 | 20 | 6.60 | |
| | Kesaris, Evangelos | | | 1871 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Manikas, Dimitrios | | | 1384 | GRE | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Badredin, Panagiotis | | | 1864 | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Ilandzis, Spyridon | | | 1871 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Tsoureas, Kiriakos | | | 1613 | GRE | 0.50 | 1 | 0.19 | 20 | 3.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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